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OpenAdvisories
High ALAS2-2026-3891 9 CVEs

Important: webkitgtk4 security update (Amazon Linux 2)

Published Aug 31, 2026 · Updated Aug 31, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-64787: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected process termination. CVE-2026-64783: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. CVE-2026-64757: A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. CVE-2026-64730: The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content may lead to UI spoofing. CVE-2026-64728: A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy. CVE-2026-64719: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash. CVE-2026-64713: This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link. CVE-2026-43804: This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service. CVE-2026-28984: The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Fixed packages 4

ReleasePackageFixed in
Amazon Linux · 2 webkitgtk4 0:2.52.6-1.amzn2
Amazon Linux · 2 webkitgtk4-devel 0:2.52.6-1.amzn2
Amazon Linux · 2 webkitgtk4-jsc 0:2.52.6-1.amzn2
Amazon Linux · 2 webkitgtk4-jsc-devel 0:2.52.6-1.amzn2

Vulnerabilities 9

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-28984.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-43804.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64713.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64719.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64728.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64730.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64757.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64783.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-64787.html